Yamaha YAMAHA WB699600 MICROPHONE FOR RXV650/750/HTR5760 MICROPHONES WM-64BKT. MICROPHONE RXV650/ 750 5760 Works with the following models: Yamaha DSP-AX750, Yamaha DSP-AX750SE, Yamaha HTR5760 Yamaha HTR5860, Yamaha HTR-5860BL, Yamaha HTR5960, Yamaha RX-V650, Yamaha RXV657, Yamaha RXV659